<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Agricultural nozzles usually produce a different drops size depending on the pressure and the physical condition (work life) of the nozzle besides producing a wide range of the drops spectrum in the spray cloud. In this paper the standard flat fan nozzles were investigated regarding the effect of the working pressure and the nozzle physical condition (new and worn nozzles). The size of drops and the spectrum of drops across the long axis of the spray pattern were examined by using Sympatec GmbH Laser Diffraction. Reducing the working pressure from 3 to 2 and then to 1 caused production of larger drops, also using worn nozzles (especially with lower pressure) changed the drops size which is expected to be produced from the new nozzles. The standard flat fan nozzles produced a wide range of the drops spectrum inside the spray cloud, generally small drops (less than 150 µm) concentrated in the middle of the spray pattern while the big drops (250-350µm) were situated on the edge positions (70 cm from the centerline) of the spray pattern.</p></abstract>

Agricultural nozzles usually produce a different drops size depending on the pressure and the physical condition (work life) of the nozzle besides producing a wide range of the drops spectrum in the spray cloud. In this paper the standard flat fan nozzles were investigated regarding the effect of the working pressure and the nozzle physical condition (new and worn nozzles). The size of drops and the spectrum of drops across the long axis of the spray pattern were examined by using Sympatec GmbH Laser Diffraction. Reducing the working pressure from 3 to 2 and then to 1 caused production of larger drops, also using worn nozzles (especially with lower pressure) changed the drops size which is expected to be produced from the new nozzles. The standard flat fan nozzles produced a wide range of the drops spectrum inside the spray cloud, generally small drops (less than 150 µm) concentrated in the middle of the spray pattern while the big drops (250-350µm) were situated on the edge positions (70 cm from the centerline) of the spray pattern.

The Change in Spectrum of Drops in the Exploitation Process of Agricultural Nozzles

Department of Machinery Exploitation and Management of Production Processes, University of Life Sciences in Lublin

Department of Agricultural Machines and Equipment, College of Agriculture, University of Baghdad, Baghdad, Iraq

Agricultural Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Agricultural nozzles usually produce a different drops size depending on the pressure and the physical condition (work life) of the nozzle besides producing a...

The Change in Spectrum of Drops in the Exploitation Process of Agricultural Nozzles

Published Online: Aug 02, 2016

Page range: 101 - 108

Received: Dec 01, 2015

Accepted: Feb 01, 2016

DOI: https://doi.org/10.1515/agriceng-2016-0031

Keywords
agricultural nozzles spectrum of drops volume median diameter, nozzles wear spray pressure

© 2016 Alaa Kamel Subr et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Change in Spectrum of Drops in the Exploitation Process of Agricultural Nozzles

Published Online: Aug 02, 2016

Page range: 101 - 108

Received: Dec 01, 2015

Accepted: Feb 01, 2016

DOI: https://doi.org/10.1515/agriceng-2016-0031

Keywordsagricultural nozzles spectrum of drops volume median diameter, nozzles wear spray pressure

© 2016 Alaa Kamel Subr et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
agricultural nozzles spectrum of drops volume median diameter, nozzles wear spray pressure